144 lines
5.0 KiB
Java
144 lines
5.0 KiB
Java
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/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.adapter;
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import android.content.Context;
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import android.support.annotation.LayoutRes;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ArrayAdapter;
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import android.widget.Filter;
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import android.widget.Filterable;
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import android.widget.ImageView;
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import android.widget.TextView;
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import com.keylesspalace.tusky.R;
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import com.keylesspalace.tusky.entity.Account;
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import com.keylesspalace.tusky.view.RoundedTransformation;
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import com.squareup.picasso.Picasso;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Created by charlag on 12/11/17.
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*/
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public class MentionAutoCompleteAdapter extends ArrayAdapter<Account>
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implements Filterable {
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private ArrayList<Account> resultList;
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@LayoutRes
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private int layoutId;
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private final AccountSearchProvider accountSearchProvider;
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public MentionAutoCompleteAdapter(Context context, @LayoutRes int resource,
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AccountSearchProvider accountSearchProvider) {
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super(context, resource);
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layoutId = resource;
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resultList = new ArrayList<>();
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this.accountSearchProvider = accountSearchProvider;
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}
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@Override
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public int getCount() {
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return resultList.size();
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}
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@Override
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public Account getItem(int index) {
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return resultList.get(index);
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}
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@Override
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@NonNull
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public Filter getFilter() {
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return new Filter() {
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@Override
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public CharSequence convertResultToString(Object resultValue) {
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return ((Account) resultValue).username;
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}
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// This method is invoked in a worker thread.
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@Override
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protected FilterResults performFiltering(CharSequence constraint) {
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FilterResults filterResults = new FilterResults();
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if (constraint != null) {
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List<Account> accounts =
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accountSearchProvider.searchAccounts(constraint.toString());
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filterResults.values = accounts;
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filterResults.count = accounts.size();
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}
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return filterResults;
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}
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@SuppressWarnings("unchecked")
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@Override
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protected void publishResults(CharSequence constraint, FilterResults results) {
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if (results != null && results.count > 0) {
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resultList.clear();
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ArrayList<Account> newResults = (ArrayList<Account>) results.values;
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resultList.addAll(newResults);
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notifyDataSetChanged();
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} else {
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notifyDataSetInvalidated();
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}
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}
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};
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}
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@Override
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@NonNull
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public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
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View view = convertView;
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Context context = getContext();
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if (convertView == null) {
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LayoutInflater layoutInflater =
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(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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//noinspection ConstantConditions
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view = layoutInflater.inflate(layoutId, parent, false);
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}
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Account account = getItem(position);
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if (account != null) {
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TextView username = view.findViewById(R.id.username);
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TextView displayName = view.findViewById(R.id.display_name);
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ImageView avatar = view.findViewById(R.id.avatar);
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String format = getContext().getString(R.string.status_username_format);
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String formattedUsername = String.format(format, account.username);
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username.setText(formattedUsername);
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displayName.setText(account.getDisplayName());
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if (!account.avatar.isEmpty()) {
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Picasso.with(context)
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.load(account.avatar)
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.placeholder(R.drawable.avatar_default)
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.transform(new RoundedTransformation(7, 0))
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.into(avatar);
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}
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}
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return view;
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}
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public interface AccountSearchProvider {
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List<Account> searchAccounts(String mention);
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}
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}
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